204 



DESCRIPTION iW PLATES. 

 Plate XI. 



T Aphanomcrus bicolor. 



2 Ego-s of Siphanta sp. from each of which an exaui])le oi 



Aphanoinerus pusilliis emerged. 



3 Eggs of a Fiilgorid, probably a species of Platyhrachys, from 



which A. bicolor was bred. Only a few eggs are figured, 

 but of the whole mass 48 produced parasites, and from 7 

 young hoppers emerged ; a few others contained dead 

 parasites. 



4. A. bicolor; male and female antennae. 



5. A. piisi/liis: male and female antennae. 



6. A. rnfcsccus; female antenna. 



7. Eggs of a species of leaf-hopper allied to Siphanta all 



parasitized by A. nifcscciis. 



8. Maxillary palpus of A. bicolor 



9. Claw-joint of tarsus of the same, showing the unetjual 



claws. 



Plate XII. 



i.^ Paranagrus optabllis. 



2. Antenna of female and male of the same. 



3. & 3a. Antennae of male and female Polyneuia rcdnviolr 



4. Antenna of female Anagrus columbi, in two aspects. 



s. Antenna of female in two aspects, and antenna of the male, 



of Alaptus inwiaturus. 

 6. Antenna of male and female of Auagrus frcqiicns. 



Plate XIII. 



'2. Antenna of female Gonatoccnis ciiigii'atus above ; of female 

 and male Ooctoniis aiisfralciisis below. 



3. Paranagrus optabilis female, ovipositing in the eggs of 



PcrkinsicUa, which are imbedded in the leaf, and further 

 hidden beneath a white mealy covering. 



4. Pupa of Paranagrus within the egg of PcrkinsicUa. 



5. Larva of the same ; the egg contents had been partly re- 



moved in order that the larva might be rendered more 

 visible, and they are not figured in the upper part of the 

 hopper's egg. 

 5a. Head extremity of the larva of the same. 



